Math & Statistics API

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35+ math and statistics endpoints — safe expression evaluation, linear regression, correlation, normal distribution, t-test, moving averages, RSI, MACD, Bollinger Bands.

1 subscribers
35 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Math & Statistics API endpoints

MethodEndpointDescription
Math - Basic
POST /api/math_combinations
/api/math_combinations 		Calculate combinations nCr (n choose r)
POST /api/math_proportion
/api/math_proportion 		Solve proportions a/b = c/d — provide 3 values, find the 4th
POST /api/math_lcm
/api/math_lcm 		Least Common Multiple of two or more integers
POST /api/math_round
/api/math_round 		Round a number to N decimal places with configurable mode
POST /api/math_factorial
/api/math_factorial 		Calculate factorial of n (max 170 to avoid Infinity)
POST /api/math_prime_factors
/api/math_prime_factors 		Prime factorization of a number
POST /api/math_percentage
/api/math_percentage 		Calculate percentage from value+total, or value from percentage+total
POST /api/math_gcd
/api/math_gcd 		Greatest Common Divisor of two or more integers (Euclidean algorithm)
POST /api/math_evaluate
/api/math_evaluate 		Safely evaluate a math expression (no eval). Supports +,-,*,/,^,()
POST /api/math_fibonacci
/api/math_fibonacci 		Calculate the Nth Fibonacci number (0-indexed, max 78)
POST /api/math_permutations
/api/math_permutations 		Calculate permutations nPr
POST /api/math_prime_check
/api/math_prime_check 		Check if a number is prime
Math - Statistics
POST /api/stat_mean
/api/stat_mean 		Calculate arithmetic mean of an array
POST /api/stat_outlier_detect
/api/stat_outlier_detect 		Detect outliers using the IQR method (below Q1-1.5*IQR or above Q3+1.5*IQR)
POST /api/stat_quartiles
/api/stat_quartiles 		Calculate Q1, Q2 (median), Q3, and IQR
POST /api/stat_std_dev
/api/stat_std_dev 		Calculate standard deviation (population and sample)
POST /api/stat_iqr
/api/stat_iqr 		Calculate interquartile range
POST /api/stat_median
/api/stat_median 		Calculate median of an array
POST /api/stat_percentile
/api/stat_percentile 		Calculate a specific percentile value from an array
POST /api/stat_variance
/api/stat_variance 		Calculate variance (population and sample)
POST /api/stat_mode
/api/stat_mode 		Find mode(s) of an array
POST /api/stat_z_score
/api/stat_z_score 		Calculate Z-score and corresponding percentile
Math - Correlation
POST /api/stat_spearman
/api/stat_spearman 		Calculate Spearman rank correlation coefficient
POST /api/stat_correlation
/api/stat_correlation 		Calculate Pearson correlation coefficient between two arrays
POST /api/stat_covariance
/api/stat_covariance 		Calculate covariance between two arrays
POST /api/stat_linear_regression
/api/stat_linear_regression 		Simple linear regression returning slope, intercept, R², and equation
Math - Distribution
POST /api/stat_t_test
/api/stat_t_test 		Independent two-sample t-test
POST /api/stat_normal_pdf
/api/stat_normal_pdf 		Normal distribution probability density function
POST /api/stat_chi_square
/api/stat_chi_square 		Calculate chi-square test statistic from observed and expected frequencies
POST /api/stat_normal_cdf
/api/stat_normal_cdf 		Normal distribution CDF using Abramowitz and Stegun approximation
Math - Financial Stats
POST /api/stat_rsi
/api/stat_rsi 		Calculate Relative Strength Index
POST /api/stat_bollinger_bands
/api/stat_bollinger_bands 		Calculate Bollinger Bands (SMA +/- N standard deviations)
POST /api/stat_macd
/api/stat_macd 		Calculate MACD (Moving Average Convergence Divergence)
POST /api/stat_ema
/api/stat_ema 		Calculate Exponential Moving Average
POST /api/stat_moving_average
/api/stat_moving_average 		Calculate Simple Moving Average

Math & Statistics API pricing

PlanPriceRate limitQuotas
BASIC Free —
  • Requests: 100 / monthly
PRO $9.99 / month —
  • Requests: 5,000 / monthly (then $0.0100 each)
ULTRA Free —
  • Requests: 50,000 / monthly (then $0.0100 each)
MEGA Free —
  • Requests: 500,000 / monthly (then $0.0100 each)

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